private static string ToStringUsDigitsFormattingInternal(
            dynamic number,
            DigitsFormattingSettings digitsFormattingSettings = DigitsFormattingSettings.None,
            int precesion = 2)
        {
            var formattedDigits = string.Empty;
            var currentNoComaFormatSpecifier = string.Concat("#.", new string('0', precesion));
            var currentComaFormatSpecifier   = string.Concat("##,#.", new string('0', precesion));

            formattedDigits =
                digitsFormattingSettings.HasFlag(DigitsFormattingSettings.NoComma) ? number.ToString(currentNoComaFormatSpecifier, usCultureInfo) :
                number.ToString(currentComaFormatSpecifier, usCultureInfo);
            if (digitsFormattingSettings.HasFlag(DigitsFormattingSettings.PrefixDollar))
            {
                formattedDigits = string.Concat("$", formattedDigits);
            }
            if (digitsFormattingSettings.HasFlag(DigitsFormattingSettings.PrefixMinus))
            {
                formattedDigits = string.Concat("-", formattedDigits);
            }
            if (digitsFormattingSettings.HasFlag(DigitsFormattingSettings.SufixDollar))
            {
                formattedDigits = string.Concat(formattedDigits, "$");
            }
            return(formattedDigits);
        }
        private static string ToStringUsDigitsFormattingInternal <T>(
            T number,
            DigitsFormattingSettings digitsFormattingSettings = DigitsFormattingSettings.None,
            int precesion = 2)
            where T : struct,
        IComparable,
        IComparable <T>,
        IConvertible,
        IEquatable <T>,
        IFormattable
        {
            string formattedDigits = string.Empty;
            string currentNoComaFormatSpecifier = string.Concat("#.", new string('0', precesion));
            string currentComaFormatSpecifier   = string.Concat("##,#.", new string('0', precesion));

            formattedDigits =
                digitsFormattingSettings.HasFlag(DigitsFormattingSettings.NoComma) ? number.ToString(currentNoComaFormatSpecifier, usCultureInfo) :
                number.ToString(currentComaFormatSpecifier, usCultureInfo);
            if (digitsFormattingSettings.HasFlag(DigitsFormattingSettings.PrefixDollar))
            {
                formattedDigits = string.Concat("$", formattedDigits);
            }
            if (digitsFormattingSettings.HasFlag(DigitsFormattingSettings.PrefixMinus))
            {
                formattedDigits = string.Concat("-", formattedDigits);
            }
            if (digitsFormattingSettings.HasFlag(DigitsFormattingSettings.SufixDollar))
            {
                formattedDigits = string.Concat(formattedDigits, "$");
            }

            return(formattedDigits);
        }